.rule-content{
    padding: 10px;
    .rule{background: blue;}
    .bigTitle{
       font-size: 16px; font-weight: 500;
    }
    .blacktxt{
        padding-left: 10px;    
    }
    .redTxtTitle{
        color: red;
        .bold{
            font-weight: 600;
        }
    }
}